GB2091038B - Step-wise variable capacitor - Google Patents
Step-wise variable capacitorInfo
- Publication number
- GB2091038B GB2091038B GB8137178A GB8137178A GB2091038B GB 2091038 B GB2091038 B GB 2091038B GB 8137178 A GB8137178 A GB 8137178A GB 8137178 A GB8137178 A GB 8137178A GB 2091038 B GB2091038 B GB 2091038B
- Authority
- GB
- United Kingdom
- Prior art keywords
- variable capacitor
- wise variable
- wise
- capacitor
- variable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/92—Capacitors with potential-jump barrier or surface barrier
- H01L29/93—Variable capacitance diodes, e.g. varactors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Integrated Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17484880A JPS5797682A (en) | 1980-12-10 | 1980-12-10 | Variable capacitance device |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2091038A GB2091038A (en) | 1982-07-21 |
GB2091038B true GB2091038B (en) | 1985-01-03 |
Family
ID=15985702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8137178A Expired GB2091038B (en) | 1980-12-10 | 1981-12-09 | Step-wise variable capacitor |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5797682A (fr) |
DE (1) | DE3148968A1 (fr) |
FR (1) | FR2495821B1 (fr) |
GB (1) | GB2091038B (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4709225A (en) * | 1985-12-16 | 1987-11-24 | Crystal Semiconductor Corporation | Self-calibration method for capacitors in a monolithic integrated circuit |
DE4231399A1 (de) * | 1992-08-20 | 1994-02-24 | Rexroth Mannesmann Gmbh | Hydraulische Steuereinrichtung |
DE19758345A1 (de) * | 1997-12-22 | 1999-06-24 | Inst Halbleiterphysik Gmbh | Digital abstimmbare, elektronische Kapazität |
WO1999059171A1 (fr) * | 1998-05-11 | 1999-11-18 | Manvel Zakharian | Procede de fabrication d'un condensateur reglable |
JP4498836B2 (ja) * | 2004-06-23 | 2010-07-07 | 株式会社デンソー | 容量素子 |
US7365959B1 (en) | 2004-08-12 | 2008-04-29 | Charles Barry Ward | Multi value capacitor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1180928A (en) * | 1966-04-28 | 1970-02-11 | Plessey Co Ltd | Improvements in or relating to Thin Film Circuit Devices. |
FR1496638A (fr) * | 1966-10-14 | 1967-09-29 | Int Standard Electric Corp | Condensateur de haute qualité |
CA922393A (en) * | 1970-01-14 | 1973-03-06 | J. Roeder Paul | Planar capacitor |
JPS51123080A (en) * | 1975-04-21 | 1976-10-27 | Hitachi Ltd | Variable capacitance element |
US4028694A (en) * | 1975-06-10 | 1977-06-07 | International Business Machines Corporation | A/D and D/A converter using C-2C ladder network |
DE2912439A1 (de) * | 1979-03-29 | 1980-10-16 | Standard Elektrik Lorenz Ag | Integrierter halbleiterschaltkreis mit integrierten speicherkapazitaeten |
-
1980
- 1980-12-10 JP JP17484880A patent/JPS5797682A/ja active Pending
-
1981
- 1981-12-09 GB GB8137178A patent/GB2091038B/en not_active Expired
- 1981-12-09 FR FR8123018A patent/FR2495821B1/fr not_active Expired
- 1981-12-10 DE DE19813148968 patent/DE3148968A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE3148968A1 (de) | 1982-07-01 |
GB2091038A (en) | 1982-07-21 |
FR2495821A1 (fr) | 1982-06-11 |
JPS5797682A (en) | 1982-06-17 |
FR2495821B1 (fr) | 1986-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) |
Effective date: 19930318 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931209 |